3. By law, a qualified physician can only prescribe medicine, protecting the public. A) By law, a qualified physician can only prescribe medicine, protecting the public B) By law, only a qualified physician can prescribe medicine, protecting the public, C) By law, only a qualified physician can prescribe medicine which protects the public D) In order to protect the public, by law a qualified physician only can prescribe medicine E) In order to protect the public, by law only a qualified physician can prescribe medicine